
HPLC-UV Method Development for Highly Polar Impurities
Discover how Resolian developed and validated a GMP HPLC-UV method to achieve baseline resolution of highly polar impurities.

Discover how Resolian developed and validated a GMP HPLC-UV method to achieve baseline resolution of highly polar impurities.

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When excipients suppress your nitrosamine signal, tailored method development reveals the truth. Resolian’s systematic approach overcomes matrix interference.

Ensure inhalation product safety and compliance with Resolian’s advanced foreign particulate matter characterization and root cause analysis solutions.

Discover how Resolian supports early-career scientists like Jennifer Hawkins through opportunities at the REID Bioanalytical Forum. Learn about LC-MS/MS assay development and career growth in bioanalysis.

Benzoyl peroxide can degrade to benzene during testing, creating false positives. Resolian’s antioxidant scavenger strategy prevents analytical artifacts.
Chief Scientific Officer
Zhiyang Zhao, Ph.D., serves as Chief Scientific Officer (CSO) at Resolian. Dr. Zhao has over 30 years of pharmaceutical industry experience with special focus on drug metabolism and bioanalysis of small and large molecules in drug discovery and development. Dr. Zhao has previously held positions at Pfizer, GlaxoSmithKline, and Amgen. Before joining Resolian in 2015, Dr. Zhao served as Site Director of Preclinical Research at Amgen in Cambridge, Massachusetts, for over a decade.
Currently, Dr. Zhao serves as an Adjunct Professor at the Eshelman School of Pharmacy of the University of North Carolina at Chapel Hill, North Carolina, and as Editor-in-Chief of Drug Metabolism & Bioanalysis Letters, a journal by Bentham Science, which publishes in all areas of drug metabolism and bioanalysis. Dr. Zhao received his Ph.D. degree in Medicinal Chemistry from Virginia Polytechnic and State University (popularly known as Virginia Tech) in Blacksburg, Virginia.
Chief Executive Officer
Patrick Bennett has over 35 years of experience in pharmaceutical analysis and laboratory management. Now Chief Business Officer at Resolian, Patrick’s experience includes the roles of Strategic Marketing Director for Pharma with Thermo Fisher Scientific, LabCorp, and Vice President of Strategy and Development with PPD.
Patrick earned a B.S. degree in Toxicology and a M.S. degree in Pharmacology from the College of Pharmacy and Allied Health at St. John’s University and an M.B.A in International Marketing from the Martin J. Whitman School of Management at Syracuse University.